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Here are 50 multiple-choice questions on basic Class 10-level concepts from math, science, and general knowledge, following your specified pattern. **Math** Q1. What is 2+2? A. 1 B. 2 C. 3 D. 4 ANSWER: D Q2. What is 5 × 6? A. 25 B. 30 C. 35 D. 40 ANSWER: B Q3. What is 15 ÷ 3? A. 3 B. 5 C. 6 D. 10 ANSWER: B Q4. What is 12 − 7? A. 4 B. 5 C. 6 D. 7 ANSWER: B Q5. What is 9 squared? A. 18 B. 27 C. 72 D. 81 ANSWER: D Q6. What is the square root of 64? A. 6 B. 7 C. 8 D. 9 ANSWER: C Q7. What is 3³? A. 9 B. 18 C. 27 D. 30 ANSWER: C Q8. What is 25% of 200? A. 25 B. 50 C. 75 D. 100 ANSWER: B Q9. What is the value of π (pi) approximately? A. 2.14 B. 3.14 C. 3.5 D. 4.14 ANSWER: B Q10. What is the perimeter of a square with side 5 cm? A. 10 cm B. 15 cm C. 20 cm D. 25 cm ANSWER: C Q11. What is the area of a rectangle with length 8 cm and width 3 cm? A. 11 cm² B. 24 cm² C. 32 cm² D. 48 cm² ANSWER: B Q12. What is 0.5 expressed as a fraction? A. 1/5 B. 1/4 C. 1/3 D. 1/2 ANSWER: D Q13. What is the next prime number after 7? A. 8 B. 9 C. 10 D. 11 ANSWER: D Q14. Solve for x: 2x = 10. A. 2 B. 3 C. 4 D. 5 ANSWER: D Q15. What is the mean of 4, 6, and 8? A. 5 B. 6 C. 7 D. 8 ANSWER: B Q16. How many degrees are in a right angle? A. 45° B. 90° C. 120° D. 180° ANSWER: B Q17. What is the sum of angles in a triangle? A. 90° B. 180° C. 270° D. 360° ANSWER: B Q18. What is 7 × 8? A. 48 B. 54 C. 56 D. 64 ANSWER: C Q19. What is 100 ÷ 4? A. 20 B. 25 C. 30 D. 40 ANSWER: B Q20. What is the next number: 2, 4, 6, 8, ___? A. 9 B. 10 C. 11 D. 12 ANSWER: B **Science** Q21. What is the chemical symbol for water? A. O₂ B. CO₂ C. H₂O D. NaCl ANSWER: C Q22. Which planet is known as the Red Planet? A. Venus B. Jupiter C. Mars D. Saturn ANSWER: C Q23. What force pulls objects towards Earth? A. Magnetism B. Gravity C. Friction D. Pressure ANSWER: B Q24. What is the powerhouse of the cell? A. Nucleus B. Ribosome C. Mitochondria D. Chloroplast ANSWER: C Q25. Which gas do plants absorb during photosynthesis? A. Oxygen B. Nitrogen C. Carbon Dioxide D. Hydrogen ANSWER: C Q26. What is the closest star to Earth? A. Polaris B. Sirius C. The Sun D. Alpha Centauri ANSWER: C Q27. What is the chemical symbol for gold? A. Ag B. Fe C. Au D. Pb ANSWER: C Q28. Which part of the plant conducts photosynthesis? A. Root B. Stem C. Leaf D. Flower ANSWER: C Q29. What is the main component of air? A. Oxygen B. Carbon Dioxide C. Nitrogen D. Hydrogen ANSWER: C Q30. Which of these is a non-metal? A. Iron B. Copper C. Carbon D. Silver ANSWER: C Q31. What is the unit of electric current? A. Volt B. Ohm C. Ampere D. Watt ANSWER: C Q32. What is the hardest natural substance on Earth? A. Iron B. Gold C. Diamond D. Quartz ANSWER: C Q33. What is the process by which plants make food? A. Respiration B. Transpiration C. Photosynthesis D. Fermentation ANSWER: C Q34. Which is the largest planet in our solar system? A. Earth B. Saturn C. Jupiter D. Neptune ANSWER: C Q35. How many bones are in the adult human body? A. 156 B. 200 C. 206 D. 250 ANSWER: C **General Knowledge** Q36. How many colors are in a rainbow? A. 5 B. 6 C. 7 D. 8 ANSWER: C Q37. How many sides does a triangle have? A. 2 B. 3 C. 4 D. 5 ANSWER: B Q38. What is the capital of India? A. Mumbai B. Kolkata C. New Delhi D. Chennai ANSWER: C Q39. How many continents are there? A. 5 B. 6 C. 7 D. 8 ANSWER: C Q40. Who wrote “Romeo and Juliet”? A. Charles Dickens B. William Wordsworth C. William Shakespeare D. George Orwell ANSWER: C Q41. Which is the largest ocean on Earth? A. Atlantic B. Indian C. Arctic D. Pacific ANSWER: D Q42. How many players are in a cricket team on the field? A. 9 B. 10 C. 11 D. 12 ANSWER: C Q43. What is the national currency of India? A. Dollar B. Euro C. Rupee D. Yen ANSWER: C Q44. Which is the longest river in the world? A. Amazon B. Nile C. Yangtze D. Ganges ANSWER: B Q45. In which country is the Great Wall located? A. Japan B. India C. China D. Mongolia ANSWER: C Q46. What is the square of 11? A. 101 B. 111 C. 121 D. 131 ANSWER: C Q47. Which is the smallest prime number? A. 0 B. 1 C. 2 D. 3 ANSWER: C Q48. How many zeros are in one thousand? A. 2 B. 3 C. 4 D. 5 ANSWER: B Q49. What is the main language of computers? A. English B. Binary C. Java D. Python ANSWER: B Q50. How many millimeters are in a centimeter? A. 5 B. 10 C. 100 D. 1000 ANSWER: B SUBMIT EXAM